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Finding the Fourth Proportional to 633,512.62, 874,247.58 and 347,042.89

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Solution

The fourth proportional to 633,512.62, 874,247.58 and 347,042.89 is: 478,919.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,512.62 : 874,247.58 = 347,042.89 : x
  2. Step 2: Convert to fraction form
    633,512.62/874,247.58 = 347,042.89/x
  3. Step 3: Cross multiply
    633,512.62x = 874,247.58 × 347,042.89
  4. Step 4: Simplify right side
    633,512.62x = 303,401,406,738.71
  5. Step 5: Solve for x
    x = 303,401,406,738.71/633,512.62
  6. Step 6: Final answer
    x = 478,919.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.